thanks, and yes, the power pole, with our combo meter/main outdoor panel, is shared with two neighbors, both across the street, from the main transformer pole there.
and yes, I believe that a 'ground' issue is part of the situation, maybe the ground is not well enough 'into' the earth, or maybe not making a great connection somewhere along the pathway, maybe... it is only attached within the Main Panel at the pole, but not up to the main lines/neutral, which is how another local utility requires it.
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